1312200321331 has 8 divisors (see below), whose sum is σ = 1340136592704. Its totient is φ = 1284264763200.

The previous prime is 1312200321323. The next prime is 1312200321343. The reversal of 1312200321331 is 1331230022131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312200321331 - 2³ = 1312200321323 is a prime.

It is a super-2 number, since 2×1312200321331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312200321361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5336511 + ... + 5576983.

It is an arithmetic number, because the mean of its divisors is an integer number (167517074088).

Almost surely, 2^{1312200321331} is an apocalyptic number.

1312200321331 is a deficient number, since it is larger than the sum of its proper divisors (27936271373).

1312200321331 is a wasteful number, since it uses less digits than its factorization.

1312200321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356621.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1312200321331 its reverse (1331230022131), we get a palindrome (2643430343462).

The spelling of 1312200321331 in words is "one trillion, three hundred twelve billion, two hundred million, three hundred twenty-one thousand, three hundred thirty-one".